US7656623B2 - Methods and apparatus for charging a battery in a peripheral device - Google Patents
Methods and apparatus for charging a battery in a peripheral device Download PDFInfo
- Publication number
- US7656623B2 US7656623B2 US11/270,901 US27090105A US7656623B2 US 7656623 B2 US7656623 B2 US 7656623B2 US 27090105 A US27090105 A US 27090105A US 7656623 B2 US7656623 B2 US 7656623B2
- Authority
- US
- United States
- Prior art keywords
- voltage
- battery
- main bus
- unit
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/001—Hot plugging or unplugging of load or power modules to or from power distribution networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/06—Two-wire systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/30—Charge provided using DC bus or data bus of a computer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
Abstract
Description
V VCC
With the values inserted we obtain:
V VCC
V TH,SWITCHOVER V VCC
U18's comparator threshold is calculated as follows:
with R116=340K, R119=806K, VREF,U18=1.182V inserted in equ. 2.1.4d we get:
VTH,MIN,SWITCHOVER=3.85V<3.785 (see equ. 2.1.4b)→OK!
Claims (20)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/270,901 US7656623B2 (en) | 2001-10-22 | 2005-11-10 | Methods and apparatus for charging a battery in a peripheral device |
US11/754,932 US20070222301A1 (en) | 2001-10-22 | 2007-05-29 | Methods and apparatus for charging a battery in a peripheral device |
US12/634,601 US7940026B2 (en) | 2001-10-22 | 2009-12-09 | Methods and apparatus for charging a battery in a peripheral device |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34525301P | 2001-10-22 | 2001-10-22 | |
US10/278,752 US6995963B2 (en) | 2001-10-22 | 2002-10-22 | Methods and apparatus for charging a battery in a peripheral device |
US11/270,901 US7656623B2 (en) | 2001-10-22 | 2005-11-10 | Methods and apparatus for charging a battery in a peripheral device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/278,752 Continuation US6995963B2 (en) | 2001-10-22 | 2002-10-22 | Methods and apparatus for charging a battery in a peripheral device |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/754,932 Continuation US20070222301A1 (en) | 2001-10-22 | 2007-05-29 | Methods and apparatus for charging a battery in a peripheral device |
US12/634,601 Continuation US7940026B2 (en) | 2001-10-22 | 2009-12-09 | Methods and apparatus for charging a battery in a peripheral device |
Publications (2)
Publication Number | Publication Date |
---|---|
US20060061927A1 US20060061927A1 (en) | 2006-03-23 |
US7656623B2 true US7656623B2 (en) | 2010-02-02 |
Family
ID=23354224
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/278,752 Expired - Lifetime US6995963B2 (en) | 2001-10-22 | 2002-10-22 | Methods and apparatus for charging a battery in a peripheral device |
US11/270,901 Expired - Lifetime US7656623B2 (en) | 2001-10-22 | 2005-11-10 | Methods and apparatus for charging a battery in a peripheral device |
US11/754,932 Abandoned US20070222301A1 (en) | 2001-10-22 | 2007-05-29 | Methods and apparatus for charging a battery in a peripheral device |
US12/634,601 Expired - Lifetime US7940026B2 (en) | 2001-10-22 | 2009-12-09 | Methods and apparatus for charging a battery in a peripheral device |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/278,752 Expired - Lifetime US6995963B2 (en) | 2001-10-22 | 2002-10-22 | Methods and apparatus for charging a battery in a peripheral device |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/754,932 Abandoned US20070222301A1 (en) | 2001-10-22 | 2007-05-29 | Methods and apparatus for charging a battery in a peripheral device |
US12/634,601 Expired - Lifetime US7940026B2 (en) | 2001-10-22 | 2009-12-09 | Methods and apparatus for charging a battery in a peripheral device |
Country Status (2)
Country | Link |
---|---|
US (4) | US6995963B2 (en) |
WO (1) | WO2003036777A1 (en) |
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US20150280473A1 (en) * | 2014-03-26 | 2015-10-01 | Intersil Americas LLC | Battery charge system with transition control that protects adapter components when transitioning from battery mode to adapter mode |
US10797490B2 (en) * | 2014-03-26 | 2020-10-06 | Intersil Americas LLC | Battery charge system with transition control that protects adapter components when transitioning from battery mode to adapter mode |
US20160048182A1 (en) * | 2014-08-15 | 2016-02-18 | Inventec (Pudong) Technology Corporation | Micro-controller reset system and reset method thereof |
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Also Published As
Publication number | Publication date |
---|---|
US20070222301A1 (en) | 2007-09-27 |
US20100085011A1 (en) | 2010-04-08 |
WO2003036777A1 (en) | 2003-05-01 |
US7940026B2 (en) | 2011-05-10 |
US20060061927A1 (en) | 2006-03-23 |
US6995963B2 (en) | 2006-02-07 |
US20030075993A1 (en) | 2003-04-24 |
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